Red Berry Pudding Gluten Free

In a bowl, add cold water to cornstarch and whisk to combine. Set aside.

In a pot on low heat, add zest, berries, and sugar; stir. Add the slurry (cornstarch and water mixture), mix together, and simmer for five minutes. Remove from heat and set aside. Once it is cool, transfer to a bowl and place in the refrigerator until it has set. Serve with vanilla whipped topping or custard.